<ul class="btn-group">
  <li rel="tooltip" title="Helpful? Like it and get updates!" class="btn btn-default btn-sm btn-like" node-id="1" id="like-button-1"><span id="like-star-1" class="fa fa-star"></span><span id="like-count-1">1</span></li>
</ul>

<script>
   $(document).ready(function () {
      $("#like-button-1").click();
    })
</script>